Mark Guzman, OTR/L
NPI 1003265620 · Occupational Therapist · Great Neck, NY
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Guzman, OTR/L is a Occupational Therapist provider in Great Neck, NY (NPI 1003265620).
Provider details
- NPI number
- 1003265620
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- 009077 (NY)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
12,997 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 8,139 | $22 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 3,007 | $31 |
| Therapy Procedure Using Functional Activities97530 | 1,195 | $31 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 452 | $20 |
| Evaluation for Occupational Therapy, Typically 30 Minutes97165 | 204 | $106 |
Typical Medicare-allowed amounts for these services range $20–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 4 Raleigh LnKings Park, NY 11754-4418Phone: (516) 435-8513
Registry dates
- Enumerated
- 2016-06-04
- Last updated
- 2023-04-05
- Certified
- 2023-04-05
Frequently asked questions
- What is Mark Guzman's NPI number?
- Mark Guzman's National Provider Identifier (NPI) is 1003265620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Guzman's specialty?
- Mark Guzman is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Guzman located?
- Mark Guzman's practice location on file with NPPES is 475 Northern Blvd Ste 19, Great Neck, NY 11021-4802.
- What is Mark Guzman's phone number?
- The practice phone number listed in the NPPES registry for Mark Guzman is (516) 829-0030.
- Does Mark Guzman accept Medicare?
- Mark Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Guzman's NPI active?
- Yes — Mark Guzman's NPI (1003265620) is active in the NPPES registry as of the last update on 2023-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.